# What devtools companies use for App builders & no-code

usedby lists 16 DevTools & Infrastructure companies using 5 App builders & no-code tools. The most used is Retool: 8 of the 16 DevTools & Infrastructure companies on usedby, every proof level counted. These are counts of the companies usedby tracks, not a market share. Data as of 2026-10-25.

## Largest and best-proven users

Two labelled views of the same companies. Neither is a score.

### Largest companies

By employee range. Size known for 9 of 16.

| Company | Proof | Employees | Tools | Last check |
|---|---|---|---|---|
| [Atlassian](https://www.usedby.ai/companies/atlassian.md) | Observed | 5,001–10,000 | Replit | 2026-10-07 |
| [Dropbox](https://www.usedby.ai/companies/dropbox.md) | Observed | 1,001–5,000 | Retool | 2026-10-24 |
| [Unity](https://www.usedby.ai/companies/unity.md) | Observed | 1,001–5,000 | Bubble | 2026-10-24 |

### Strongest proof

Confirmed or declared: 6 of 16. This view filters what you read, never what is counted.

| Company | Proof | Employees | Tools | Last check |
|---|---|---|---|---|
| [ClickUp](https://www.usedby.ai/companies/clickup.md) | Confirmed | Unknown | Retool, Replit | 2026-10-25 |
| [Pump](https://www.usedby.ai/companies/pump.md) | Confirmed | 51–200 | Retool | 2026-10-24 |
| [n8n](https://www.usedby.ai/companies/n8n.md) | Confirmed | Unknown | Lovable | 2026-10-18 |

## Ranking

Tools ranked by the companies of the 16 DevTools & Infrastructure companies on usedby that use them. Each company counts once per tool, at its strongest proof. Ties go to more confirmed, then declared, then observed companies.

| # | Tool | Companies | Confirmed | Declared | Observed | Job posts only | Last check |
|---|---|---|---|---|---|---|---|
| 1 | [Retool](https://www.usedby.ai/tools/retool.md) | 8 | 2 | 2 | 4 | 0 | 2026-10-25 |
| 2 | [Replit](https://www.usedby.ai/tools/replit.md) | 3 | 0 | 0 | 3 | 0 | 2026-10-25 |
| 3 | [Lovable](https://www.usedby.ai/tools/lovable.md) | 2 | 2 | 0 | 0 | 0 | 2026-10-18 |
| 4 | [Bolt.new](https://www.usedby.ai/tools/bolt-new.md) | 2 | 0 | 0 | 2 | 0 | Not dated |
| 5 | [Bubble](https://www.usedby.ai/tools/bubble.md) | 2 | 0 | 0 | 2 | 0 | 2026-10-24 |

## Customers per tool

Every line is a customer, at one of three proof levels: confirmed (a case study, a named quote, a press release, or the company's own public account of using the tool (its own site, or a post by one of its executives, VP or above)), observed (the vendor shows the company on its own pages) or signal (a job post shows the company's employees use the tool, the weakest proof). A line the company declared to usedby itself, or that it lists as a sub-processor on its own legal page, is marked declared. A signal is never a case study or a vendor listing. Strongest proof first. "Last check" is the later of the line's re-verification and its latest capture.

| Tool | Company | Proof | Source | Last check |
|---|---|---|---|---|
| Retool | [ClickUp](https://www.usedby.ai/companies/clickup.md) | Confirmed | [retool.com](https://retool.com/customers/clickup) | 2026-10-24 |
| Retool | [Pump](https://www.usedby.ai/companies/pump.md) | Confirmed | [retool.com](https://retool.com/customers/pump), captured 2026-10-02 | 2026-10-24 |
| Retool | [Linear](https://www.usedby.ai/companies/linear.md) | Declared by the company | [linear.app](https://linear.app/dpa), captured 2026-10-25 | 2026-10-25 |
| Retool | [Daily](https://www.usedby.ai/companies/daily.md) | Declared by the company | [daily.co](https://www.daily.co/legal/sub-processors/), captured 2026-10-25 | 2026-10-25 |
| Retool | [Dropbox](https://www.usedby.ai/companies/dropbox.md) | Observed | [retool.com](https://retool.com/customers), captured 2026-10-24 | 2026-10-24 |
| Retool | [Cursor](https://www.usedby.ai/companies/cursor.md) | Observed | [retool.com](https://retool.com/customers), captured 2026-10-24 | 2026-10-24 |
| Retool | [Hopin](https://www.usedby.ai/companies/hopin.md) | Observed | [retool.com](https://retool.com/customers), captured 2026-10-24 | 2026-10-24 |
| Retool | [Rappid](https://www.usedby.ai/companies/rappid.md) | Observed | [retool.com](https://retool.com/customers), captured 2026-10-24 | 2026-10-24 |
| Replit | [Atlassian](https://www.usedby.ai/companies/atlassian.md) | Observed | [replit.com](https://replit.com/), captured 2026-10-07 | 2026-10-07 |
| Replit | [ClickUp](https://www.usedby.ai/companies/clickup.md) | Observed | [replit.com](https://replit.com/), captured 2026-10-25 | 2026-10-25 |
| Replit | [GenAPI](https://www.usedby.ai/companies/genapi.md) | Observed | [replit.com](https://replit.com/customers) | Not dated |
| Lovable | [Sentry](https://www.usedby.ai/companies/sentry.md) | Confirmed | [lovable.dev](https://lovable.dev/customers/sentry), captured 2026-10-10 | 2026-10-16 |
| Lovable | [n8n](https://www.usedby.ai/companies/n8n.md) | Confirmed | [lovable.dev](https://lovable.dev/blog/n8n), captured 2026-10-18 | 2026-10-18 |
| Bolt.new | [Netlify](https://www.usedby.ai/companies/netlify.md) | Observed | [bolt.new](https://bolt.new/customers) | Not dated |
| Bolt.new | [Supabase](https://www.usedby.ai/companies/supabase.md) | Observed | [bolt.new](https://bolt.new/customers) | Not dated |
| Bubble | [Unity](https://www.usedby.ai/companies/unity.md) | Observed | [bubble.io](https://bubble.io/), captured 2026-10-24 | 2026-10-24 |
| Bubble | [Meedri](https://www.usedby.ai/companies/meedri.md) | Observed | [bubble.io](https://bubble.io/), captured 2026-10-12 | 2026-10-12 |

## Method

Public customer lines of active App builders & no-code tools at companies classified in DevTools & Infrastructure. No software vendor had to be left out. Company mix by strongest proof: 4 confirmed, 2 declared, 10 observed and 0 signals.

## Questions

### Which App builders & no-code tools do DevTools & Infrastructure companies use most?

Retool leads: 8 of the 16 DevTools & Infrastructure companies on usedby that use App builders & no-code tools use it. Next: Replit (3), Lovable (2), Bolt.new (2), and Bubble (2).

### How many DevTools & Infrastructure companies use App builders & no-code tools?

16 DevTools & Infrastructure companies on usedby use at least one of 5 App builders & no-code tools. It counts the companies usedby tracks.

### What proof backs these lines?

Of the 16 companies, each counted at its strongest proof: 4 confirmed, 2 declared, 10 observed and 0 known from a job post.

### How does usedby build this ranking?

usedby counts each DevTools & Infrastructure company once per tool, from public proof: case studies, press releases, the company's own site or its declaration to usedby, vendor customer pages and job posts. Every line shows its proof and the date usedby last checked it.

App builders & no-code across all of Technology & Connectivity: [Technology & Connectivity](https://www.usedby.ai/companies/industry/technology-connectivity/ai-app-builders.md) (46)

Industry page: https://www.usedby.ai/companies/industry/devtools-infrastructure.md · Category page: https://www.usedby.ai/tools/category/ai-app-builders.md

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Source: https://www.usedby.ai/companies/industry/devtools-infrastructure/ai-app-builders · How we check: https://www.usedby.ai/methodology